125164591008 has 96 divisors (see below), whose sum is σ = 342473995584. Its totient is φ = 39987965952.

The previous prime is 125164591003. The next prime is 125164591009. The reversal of 125164591008 is 800195461521.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (125164591003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24985 + ... + 500952.

It is an arithmetic number, because the mean of its divisors is an integer number (3567437454).

Almost surely, 2^125164591008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125164591008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171236997792).

125164591008 is an abundant number, since it is smaller than the sum of its proper divisors (217309404576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125164591008 is a wasteful number, since it uses less digits than its factorization.

125164591008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526054 (or 526046 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 125164591008 in words is "one hundred twenty-five billion, one hundred sixty-four million, five hundred ninety-one thousand, eight".